title: Latent coronary spasm during angina-free periods in patients with variant angina. Comparative study with nitroglycerin administration.
mesh_terms: D000328:Adult; D000368:Aged; D000788:Angina Pectoris, Variant / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000188:drug therapy; D001157:Arterial Occlusive Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000188:drug therapy; D017023:Coronary Angiography; D003329:Coronary Vasospasm / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000188:drug therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D005996:Nitroglycerin / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D005996:Nitroglycerin